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Priority to FR7418529ApriorityCriticalpatent/FR2278572A1/fr
Publication of FR2278572A1publicationCriticalpatent/FR2278572A1/fr
Application grantedgrantedCritical
Publication of FR2278572B1publicationCriticalpatent/FR2278572B1/fr
B64C27/22—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
B64C27/30—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft with provision for reducing drag of inoperative rotor
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FR7418529A1974-05-281974-05-28Appareil a decollage vertical
GrantedFR2278572A1
(fr)